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MediumSplunk security contentMauricio Velazco +3Threat hunting

Windows User Discovery Via Net

The following analytic detects the execution of `net.exe` or `net1.exe` with command-line arguments `user` or `users` to query local and domain accounts. It leverages data from Endpoint Detection and Response (EDR)…

Description

The following analytic detects the execution of `net.exe` or `net1.exe` with command-line arguments `user` or `users` to query local and domain accounts. It leverages data from Endpoint Detection and Response (EDR) agents, focusing on process names and command-line executions. This activity is significant as it indicates potential reconnaissance efforts by adversaries to enumerate local and domain users, which is a common step in situational awareness and Active Directory discovery. If confirmed malicious, this behavior could lead to further attacks, including privilege escalation and lateral movement within the network.

Detection logic

Detection requirements

Platform
ESXiLinuxmacOSWindows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source category
crowdstrike_processrollup2sysmon_eventid_1windows_event_log_security_4688

Known benign triggers

  • Administrators or power users may use this command for troubleshooting.

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